GHSA-7QWG-FCPW-XG5G Privilege Escalation & SQL Injection in TYPO3 CMS

Failing to properly dissociate system related configuration from user generated configuration, the Form Framework system extension "form" is vulnerable to SQL injection and Privilege Escalation. Basically instructions can be persisted to a form definition file that were not configured to be...

GHSA-67WG-6J7R-MQH8 Arbitrary Code Execution in TYPO3 CMS

Due to a missing file extension in the fileDenyPattern, backend user are allowed to upload .pht files which can be executed in certain web server setups. The new default fileDenyPattern is the following, which might have been overridden in the TYPO3 Install Tool...

GHSA-8H28-F46F-M87H Insecure Deserialization in TYPO3 CMS

It has been discovered that the Form Framework system extension "form" is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package “yaml”, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting...

GHSA-HQ37-RFJC-MR8H Cross-Site Scripting (XSS) in TYPO3 Backend

Failing to properly encode user input, the page module is vulnerable to Cross-Site Scripting. A valid backend user account with permissions to edit plugins is needed to exploit this vulnerability...

Cross-Site Scripting (XSS) in TYPO3 Backend

Failing to properly encode user input, the page module is vulnerable to Cross-Site Scripting. A valid backend user account with permissions to edit plugins is needed to exploit this vulnerability...

Information Disclosure in TYPO3 Backend

The TYPO3 backend module stores the username of an authenticated backend user in its cache files. By guessing the file path to the cache files it is possible to receive valid backend usernames...

GHSA-VPR3-RC99-2WPR Information Disclosure in TYPO3 Backend

The TYPO3 backend module stores the username of an authenticated backend user in its cache files. By guessing the file path to the cache files it is possible to receive valid backend usernames...

Insecure Unserialize in TYPO3 Import/Export

Failing to properly validate incoming import data, the Import/Export component is susceptible to insecure unserialize. To exploit this vulnerability a valid backend user account is needed...

GHSA-XVCP-33RC-J8GQ Insecure Unserialize in TYPO3 Import/Export

Failing to properly validate incoming import data, the Import/Export component is susceptible to insecure unserialize. To exploit this vulnerability a valid backend user account is needed...

GHSA-86R8-4G3W-7XJP Cross-Site Scripting in TYPO3 Backend

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability...

Cross-Site Scripting in TYPO3 Backend

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability...

Cross-Site Scripting in TYPO3 Backend

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability...

GHSA-5WX6-XWXF-Q8QJ Cross-Site Scripting in TYPO3 Backend

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability...

Authentication Bypass in TYPO3 CMS

The default authentication service misses to invalidate empty strings as password. Therefore it is possible to authenticate backend and frontend users without password set in the database. Note: TYPO3 does not allow to create user accounts without a password. Your TYPO3 installation might only be...

Typo3 Arbitrary File Disclosure in Form Component

Failing to properly validate user input, the form component is susceptible to Arbitrary File Disclosure. A valid backend user account is needed to exploit this vulnerability. Only forms are vulnerable, which contain upload fields...

GHSA-WRPF-2X8H-82GR Typo3 Arbitrary File Disclosure in Form Component

Failing to properly validate user input, the form component is susceptible to Arbitrary File Disclosure. A valid backend user account is needed to exploit this vulnerability. Only forms are vulnerable, which contain upload fields...

GHSA-3JXQ-5XHH-9JR3 Cross-Site Scripting (XSS) in TYPO3 component Backend

Failing to properly encode incoming data, the bookmark toolbar is susceptible to Cross-Site Scripting...

Cross-Site Scripting (XSS) in TYPO3 component Backend

Failing to properly encode incoming data, the bookmark toolbar is susceptible to Cross-Site Scripting...

Cross-Site Scripting (XSS)

typo3/cms-core is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to the mishandling of t3:// URL schemes and typolink functionality, which affecting both backend forms and frontend extensions using typolink rendering, which allows attackers to execute arbitrary JavaScript within...

Insecure Deserialization

typo3/cms-form is vulnerable to Insecure Deserialization. The vulnerability is due to the PECL package "yaml" with the PHP setting yml.decodephp enabled, which allows an attacker to deserialize arbitrary YAML to PHP code. An attacker must have a valid backend user account as well yaml.decodephp...